Bitcoin’s total supply and halving explained in three sentences:
Bitcoin’s total supply is capped at about 21 million coins, thanks to a design that gradually halves the block reward.
A halving cuts the number of new bitcoins issued with each new block; it doesn’t reduce the number of coins already in circulation.
To find out how far away the next halving is, check the latest block height: the next halving will occur at block 1,050,000.
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